919646994 has 48 divisors (see below), whose sum is σ = 2265457248. Its totient is φ = 247298688.

The previous prime is 919646989. The next prime is 919647013. The reversal of 919646994 is 499646919.

It is a super-3 number, since 3×919646994³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87004 + ... + 96999.

It is an arithmetic number, because the mean of its divisors is an integer number (47197026).

Almost surely, 2^919646994 is an apocalyptic number.

919646994 is an abundant number, since it is smaller than the sum of its proper divisors (1345810254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

919646994 is a wasteful number, since it uses less digits than its factorization.

919646994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184039 (or 184032 counting only the distinct ones).

The product of its digits is 3779136, while the sum is 57.

The square root of 919646994 is about 30325.6820863109. The cubic root of 919646994 is about 972.4644154896.

The spelling of 919646994 in words is "nine hundred nineteen million, six hundred forty-six thousand, nine hundred ninety-four".